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INTRODUCTION. This guide to APA – The Engineered Wood Association panel grades and specifications is meant to serve as a useful reference source for structural wood panel users, specifiers, dealers and distributors.
APA Rated Sheathing panels are produced as plywood or oriented strand board (OSB). Typical size is 4 ft x 8 ft, but other sizes may also be produced. Commonly square edge, but may be produced with tongue and groove edges. 2.4 Common Performance Categories And Corresponding Span Ratings. 3.0 Installation.
Table 6, Typical APA Panel Constructions, is provided to assist in selecting panel constructions for specific Span Ratings. Table 1a applies to APA Rated Plywood Sheathing.
Describes performance standards for structural wood panels and the compositions of different types of APA panels with the Performance Rated designations of APA Rated Sheathing, APA Rated Sturd-I-Floor, and APA Rated Siding.
This standard covers performance requirements, adhesive bond performance, panel construction and workmanship, dimensions and tolerances, marking, and moisture content of wood structural panels. Wood structural panels include structural plywood, oriented strand board (OSB), other mat-formed panels, and composite panels.
This online specification tool provides the core technical information you would need to help you make the right choice for your application. Just select your application (whether walls, roofs, flooring concrete formwork or even non-structural uses) and we’ll tell you which grades will be suitable and the range of other features like ...
recommendations for several of the most common engineered wood products – plywood, oriented strand board, glulam, and I-joists. Other engineered wood products that are often used in the construction systems described in this guide
